Device for blasting large and bulky workpieces

摘要

Apparatus for blasting particulate material onto workpieces wherein the workpiece is positioned within an enclosure, and a centrifugal impeller of a conventional type is supported in the enclosure on mobile mounting means for movement in a plurality of directions in such a manner that large surfaces or surfaces of complicated shapes can be blasted. The mobile mounting means and the centrifugal impeller can be operated remotely from outside the enclosure.